Submission #55662

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
55662	2018-07-08 12:01:51	red1108	문명 (KOI17_civilization)	C++17	100 / 100	600 ms	30136 KiB

civilization

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#include <iostream>
#include <utility>
#include <queue>
using namespace std;
typedef pair<int,int> P;
#define x first
#define y second
P t;
queue<P> q;
int table[2010][2010],ans=0,cnt,n,k;
int parent[100010];
int par(int a)
{
    if(parent[a]==a) return a;
    return parent[a]=par(parent[a]);
}
void uni(int a, int b)
{
    if(par(a)!=par(b))
    {
        parent[par(a)]=par(b);
        cnt--;
    }
}
bool ch(int a, int b)
{
    if(a<1||b<1||a>n||b>n) return 0;
    return 1;
}
void view(int a, int b)
 
 
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Compilation message (stderr)

civilization.cpp: In function 'int main()':
civilization.cpp:39:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j,a,b,si;
            ^

• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 46 / 46